From: lkcl <lkcl@web>
Date: Mon, 16 Sep 2019 03:06:49 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: convert-csv-opcode-to-binary~4051
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b3b349c24c0591f9cb91bfa378973cbed9ce9734;p=libreriscv.git

---

diff --git a/vector_ops.mdwn b/vector_ops.mdwn
index 2dfda08a8..bdb3c9284 100644
--- a/vector_ops.mdwn
+++ b/vector_ops.mdwn
@@ -6,10 +6,26 @@ Normally in SV all operations are scalar and independent.  In this extension, th
 
 ## Vector cross product
 
+Result is the cross product of x and y, i.e., the resulting components are, in order:
+
+    x[1] * y[2] - y[1] * x[2]
+    x[2] * y[0] - y[2] * x[0]
+    x[0] * y[1] - y[0] * x[1]
+
+All the operands must be vectors of 3 components of a floating-point type.
+
 ## Vector dot product
 
 ## Vector length
 
+The scalar length of a vector
+
+    sqrt(x[0]^2 + x[1]^2 + ...).
+
+## Vector distance
+
+The scalar distance between two vectors. Subtracts one vector from the other and returns length
+
 ## Vector LERP
 
 ## Vector SLERP